AM79C973BKD\W AMD (ADVANCED MICRO DEVICES), AM79C973BKD\W Datasheet - Page 113
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AM79C973BKD\W
Manufacturer Part Number
AM79C973BKD\W
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.AM79C973BKDW.pdf
(304 pages)
Specifications of AM79C973BKD\W
Lead Free Status / RoHS Status
Compliant
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CSR82
CSR100
CSR116^
CSR122
CSR125^
BCR2^
BCR4^
BCR5^
BCR6^
BCR7^
BCR9^
BCR18^
BCR19
BCR20
BCR22^
BCR23^
BCR24^
BCR25^
BCR26^
BCR27^
BCR32^
BCR33^
BCR35^
BCR36
BCR37
BCR38
BCR39
BCR40
BCR41
BCR42
BCR43
BCR44
BCR45
Bus Activity Timer
Memory Error Timeout
OnNow Miscellaneous
Receiver Packet Alignment Control
MAC Enhanced Configuration Control
Miscellaneous Configuration
LED0 Status
LED1 Status
LED2 Status
LED3 Status
Full-Duplex Control
Bus and Burst Control
EEPROM Control and Status
Software Style
PCI Latency
PCI Subsystem Vendor ID
PCI Subsystem ID
SRAM Size
SRAM Boundary
SRAM Interface Control
Internal PHY Control and Status
Internal PHY Address
PCI Vendor ID
PCI Power Management Capabilities
(PMC) Alias Register
Register
Register
PCI DATA Register Two (DATA2) Alias
Register
Register
Register
Register
ister
PCI DATA Register Seven (DATA7) Alias
Register
PCI DATA Register Zero (DATA0) Alias
PCI DATA Register One (DATA1) Alias
PCI DATA Register Three (DATA3) Alias
PCI DATA Register Four (DATA4) Alias
PCI DATA Register Five (DATA5) Alias
PCI DATA Register Six (DATA6) Alias Reg-
OnNow Pattern Matching Register 1
P R E L I M I N A R Y
Am79C973/Am79C975
BCR46
BCR47
These registers are intended to be used by the device
driver software after the Am79C973/Am79C975 con-
troller is running to access status information and to
pass control information.
The following is a list of the registers that would typi-
cally need to be periodically read and perhaps written
during the normal running operation of the Am79C973/
Am79C975 controller within a system. Each of these
registers contains control bits, or status bits, or both.
RAP
CSR0
CSR3
CSR4
CSR5
CSR7
CSR112
CSR114
BCR32
BCR33
BCR34
These registers are intended to be used only for testing
and diagnostic purposes. Those registers not included
in any of the above lists can be assumed to be intended
for diagnostic purposes.
PCI Configuration Registers
PCI Vendor ID Register
Offset 00h
The PCI Vendor ID register is a 16-bit register that iden-
tifies the manufacturer of the Am79C973/Am79C975
controller. AMD’s Vendor ID is 1022h. Note that this
vendor ID is not the same as the Manufacturer ID in
CSR88 and CSR89. The vendor ID is assigned by the
PCI Special Interest Group.
The PCI Vendor ID register is located at offset 00h in
the PCI Configuration Space. It is read only.
This register is the same as BCR35 and can be written
by the EEPROM.
PCI Device ID Register
Offset 02h
The PCI Device ID register is a 16-bit register that
uniquely identifies the Am79C973/Am79C975 control-
Running Registers
Test Registers
Register Address Port
Am79C973/Am79C975 Controller Status
Interrupt Masks and Deferral Control
Test and Features Control
Extended Control and Interrupt
Extended Control and Interrupt2
Missed Frame Count
Receive Collision Count
Internal PHY Control and Status
Internal PHY Address
Internal PHY Management Data
OnNow Pattern Matching Register 2
OnNow Pattern Matching Register 3
113
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